Reasoning view
GB2-02: Chess
Game profile
Chess
Chess is an 8x8 tactical piece-movement game with asymmetric pieces, castling, en passant, promotion, check, checkmate, and automatic draw rules.
Scores here compare player programs using DuelLab's encoded rules for Chess; they are not a broad measure of human play strength.
By model and setting
GB2-02: Chess by model and setting
Player programs are ranked by relative per-game score (0–100). Raw rating is shown as an advanced metric, alongside wins, draws, losses, and a per-game uncertainty index.
| Rank | Model | Score | Contributing programs | Raw Elo | W / D / L | Uncertainty |
|---|---|---|---|---|---|---|
| 1 |  Claude Opus 5 | 61.0 | 2 | 1652.9 | 81 / 57 / 12 | 13.6 |
| 2 |  GPT-5.6 Terra | 28.2 | 1 | 1503.3 | 4 / 77 / 5 | 9.9 |
| 3 |  Grok 4.5 | 27.7 | 1 | 1494.2 | 5 / 107 / 9 | 1.5 |
| 4 | GPT-5.6 Sol | 27.1 | 1 | 1502.9 | 6 / 59 / 5 | 15.6 |
| 5 | Claude Opus 4.5 | 26.6 | 1 | 1497.3 | 4 / 68 / 8 | 11.8 |
| 6 |  MiMo-V2.5-Pro | 25.4 | 1 | 1495.3 | 5 / 58 / 7 | 15.6 |
| 7 |  Qwen3.7 Max | 25.0 | 1 | 1494.0 | 8 / 55 / 5 | 16.4 |
| 8 |  Inkling | 24.3 | 1 | 1485.2 | 2 / 78 / 8 | 9.2 |
| 9 |  Kimi K3 | 22.9 | 1 | 1469.4 | 8 / 130 / 10 | 0.0 |
| 10 |  DeepSeek V4 Pro | 22.1 | 1 | 1477.7 | 2 / 70 / 6 | 12.5 |
| 11 |  Gemini 3.1 Flash Lite | 21.5 | 1 | 1482.3 | 1 / 55 / 2 | 21.3 |
| 12 | Qwen3.7 Plus | 20.8 | 1 | 1470.6 | 0 / 84 / 0 | 10.5 |
| 13 | GPT-5.4 Mini | 20.5 | 1 | 1472.7 | 0 / 71 / 1 | 14.8 |
| 14 | GPT 4.1 | 19.8 | 1 | 1469.5 | 1 / 60 / 11 | 14.8 |
| 15 | DeepSeek V4 Flash | 19.8 | 1 | 1469.3 | 1 / 68 / 3 | 14.8 |
| 16 | MiMo-V2.5 | 19.8 | 1 | 1475.4 | 0 / 55 / 1 | 22.5 |
| 17 | Gemini 3.5 Flash Lite | 19.7 | 2 | 1458.0 | 2 / 226 / 20 | 1.0 |
| 18 | GPT-5.4 Nano | 19.6 | 2 | 1467.1 | 3 / 139 / 12 | 12.9 |
| 19 | GPT-5.5 | 19.6 | 1 | 1468.4 | 0 / 65 / 7 | 14.8 |
| 20 | Laguna S 2.1 | 19.3 | 1 | 1461.0 | 3 / 90 / 3 | 7.0 |
| 21 | Claude Opus 4.8 | 19.1 | 1 | 1467.1 | 3 / 63 / 4 | 15.6 |
| 22 | LongCat 2.0 | 19.0 | 1 | 1460.9 | 0 / 85 / 5 | 8.7 |
| 23 | Claude Sonnet 5 | 18.9 | 1 | 1466.0 | 1 / 61 / 8 | 15.6 |
| 24 |  GLM-5.2 | 18.5 | 2 | 1469.5 | 1 / 108 / 5 | 21.9 |
| 25 | GPT-5.4 | 17.9 | 1 | 1460.9 | 1 / 61 / 10 | 14.8 |
| 26 | Gemini 3.6 Flash | 17.4 | 2 | 1447.9 | 1 / 223 / 22 | 1.2 |
| 27 | Muse Spark 1.2 | 16.9 | 1 | 1457.9 | 3 / 57 / 8 | 16.4 |
| 28 |  Ling 3.0 Flash | 16.7 | 1 | 1447.0 | 1 / 100 / 7 | 4.1 |
| 29 |  Nex N2 Pro | 16.6 | 1 | 1453.9 | 2 / 64 / 10 | 13.2 |
| 30 |  Minimax M3 | 16.5 | 1 | 1457.2 | 0 / 61 / 3 | 18.3 |
| 31 | Inkling Small | 15.0 | 1 | 1493.0 | 0 / 18 / 0 | 71.0 |
| 32 | GPT-5.6 Luna | 14.7 | 1 | 1449.3 | 0 / 58 / 6 | 18.3 |
| 33 |  Hy3 Preview | 13.4 | 1 | 1445.0 | 0 / 54 / 6 | 20.3 |
| 34 | Qwen3.8 Max | 7.5 | 1 | 1461.9 | 0 / 14 / 3 | 74.1 |
| 35 | Ox Alpha | 3.9 | 3 | 1454.4 | 1 / 28 / 13 | 85.3 |
Underlying results
Individual player programs
Each row is one accepted player program for GB2-02: Chess. A model can appear more than once when it produced more than one program. Score is the normalized 0–100 result; Elo and W / D / L show the underlying play record. Confidence and evidence can be blank when too few compatible matches are available. Draws at the move limit count; one-sided model faults are listed separately.
Showing 43 player programs.
| Player ID | Model | Status | Score | Elo | Confidence | W / D / L | Rated / attempted | Opponents | Capped draws | Faults / players | Generation |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E-16462f3d1f3a7b19 | Claude Opus 4.5 | Rated | 26.6 | 1497 | — | 4 / 68 / 8 | 80 / 80 | 40 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-c142942f4138c871 | Claude Opus 4.8 | Rated | 19.1 | 1467 | — | 3 / 63 / 4 | 70 / 70 | 34 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-51ddad48e10b006f | Claude Opus 5 | Rated | 64.9 | 1670 | — | 48 / 20 / 8 | 76 / 76 | 38 | 0 | 0 / 1 | First try · 2026-07-25 |
| E-772d1a710082ddb3 | Claude Opus 5 | Rated | 57.1 | 1636 | — | 33 / 37 / 4 | 74 / 74 | 37 | 0 | 0 / 1 | First try · 2026-07-25 |
| E-b46bdcad35bcea1d | Claude Sonnet 5 | Rated | 18.9 | 1466 | — | 1 / 61 / 8 | 70 / 70 | 32 | 0 | 0 / 1 | First try · 2026-08-09 |
| E-3358fbcda6ab6f4d | DeepSeek V4 Flash | Rated | 19.8 | 1469 | — | 1 / 68 / 3 | 72 / 72 | 36 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-6c3b019c1b20a09b | DeepSeek V4 Pro | Rated | 22.1 | 1478 | — | 2 / 70 / 6 | 78 / 78 | 39 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-20b3484be872df52 | Gemini 3.1 Flash Lite | Rated | 21.5 | 1482 | — | 1 / 55 / 2 | 58 / 58 | 29 | 0 | 0 / 1 | Repaired · 2026-07-02 |
| E-1010911d64a09b68 | Gemini 3.5 Flash Lite | Rated | 20.4 | 1461 | — | 2 / 108 / 12 | 122 / 122 | 46 | 0 | 0 / 1 | Repaired · 2026-07-24 |
| E-e65fdcb71f09a611 | Gemini 3.5 Flash Lite | Rated | 19.1 | 1455 | — | 0 / 118 / 8 | 126 / 126 | 47 | 0 | 0 / 1 | Repaired · 2026-07-24 |
| E-4492f6d65cd6280b | Gemini 3.6 Flash | Rated | 16.8 | 1445 | — | 1 / 109 / 10 | 120 / 120 | 46 | 0 | 0 / 1 | First try · 2026-07-24 |
| E-9c8b43dc41bad760 | Gemini 3.6 Flash | Rated | 18.1 | 1450 | — | 0 / 114 / 12 | 126 / 126 | 45 | 0 | 0 / 1 | Repaired · 2026-07-24 |
| E-e4707b8e4c581ede | GPT 4.1 | Rated | 19.8 | 1469 | — | 1 / 60 / 11 | 72 / 72 | 36 | 0 | 0 / 1 | Repaired · 2026-07-02 |
| E-4f8f0a47f75ab6b7 | GPT 5 | Waiting | — | — | — | 0 / 0 / 0 | 0 / 0 | 0 | 0 | 0 / 1 | First try · 2026-07-21 |
| E-89c7c830b0d1a5cf | GPT-5.4 | Rated | 17.9 | 1461 | — | 1 / 61 / 10 | 72 / 72 | 31 | 0 | 0 / 1 | First try · 2026-08-09 |
| E-322cbb8be1559087 | GPT-5.4 Mini | Rated | 20.5 | 1473 | — | 0 / 71 / 1 | 72 / 72 | 35 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-038a95fb13c8aa94 | GPT-5.4 Nano | Rated | 19.6 | 1467 | — | 0 / 72 / 6 | 78 / 78 | 39 | 0 | 0 / 1 | Repaired · 2026-07-09 |
| E-be95cc83ce87847c | GPT-5.4 Nano | Rated | 19.7 | 1468 | — | 3 / 67 / 6 | 76 / 76 | 38 | 0 | 0 / 1 | Repaired · 2026-07-02 |
| E-51e935956fa76015 | GPT-5.5 | Rated | 19.6 | 1468 | — | 0 / 65 / 7 | 72 / 72 | 36 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-18fbed3cbf75c274 | GPT-5.6 Luna | Rated | 14.7 | 1449 | — | 0 / 58 / 6 | 64 / 64 | 31 | 0 | 0 / 1 | First try · 2026-08-09 |
| E-7b3b7d80a8f97b36 | GPT-5.6 Sol | Rated | 27.1 | 1503 | — | 6 / 59 / 5 | 70 / 70 | 30 | 0 | 0 / 1 | First try · 2026-08-09 |
| E-c6593bd789768bdb | GPT-5.6 Terra | Rated | 28.2 | 1503 | — | 4 / 77 / 5 | 86 / 86 | 43 | 0 | 0 / 1 | Repaired · 2026-07-10 |
| E-fc495094a55d2f94 | Ling 3.0 Flash | Rated | 16.7 | 1447 | — | 1 / 100 / 7 | 108 / 108 | 43 | 0 | 0 / 1 | First try · 2026-07-24 |
| E-a0c74818516a7f27 | LongCat 2.0 | Rated | 19.0 | 1461 | — | 0 / 85 / 5 | 90 / 90 | 45 | 0 | 0 / 1 | Repaired · 2026-07-24 |
| E-0a492b508106c7e8 | Muse Spark 1.2 | Rated | 16.9 | 1458 | — | 3 / 57 / 8 | 68 / 68 | 31 | 0 | 0 / 1 | First try · 2026-08-13 |
| E-1e46941293882535 | Minimax M3 | Rated | 16.5 | 1457 | — | 0 / 61 / 3 | 64 / 64 | 31 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-d3d3da42e99695b1 | Kimi K3 | Rated | 22.9 | 1469 | — | 8 / 130 / 10 | 148 / 148 | 54 | 0 | 0 / 1 | First try · 2026-07-24 |
| E-811f47e902ce0d21 | Nex N2 Pro | Rated | 16.6 | 1454 | — | 2 / 64 / 10 | 76 / 76 | 37 | 0 | 0 / 1 | Repaired · 2026-07-11 |
| E-d8c7a78cc7f666dc | Laguna S 2.1 | Rated | 19.3 | 1461 | — | 3 / 90 / 3 | 96 / 96 | 47 | 0 | 0 / 1 | Repaired · 2026-07-24 |
| E-5f64c2ae9860ba38 | Qwen3.7 Max | Rated | 25.0 | 1494 | — | 8 / 55 / 5 | 68 / 68 | 34 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-010dafcd7561851a | Qwen3.7 Plus | Rated | 20.8 | 1471 | — | 0 / 84 / 0 | 84 / 84 | 41 | 0 | 0 / 1 | Repaired · 2026-07-02 |
| E-20f9463bfdcb2c8a | Qwen3.8 Max | Limited data | 7.5 | 1462 | — | 0 / 14 / 3 | 17 / 17 | 8 | 0 | 0 / 1 | First try · 2026-08-08 |
| E-06f983f13f9519d4 | Ox Alpha | Rated | 0.9 | 1441 | — | 0 / 9 / 5 | 14 / 14 | 7 | 0 | 0 / 1 | First try · 2026-08-22 |
| E-aac195c51848d687 | Ox Alpha | Rated | 4.8 | 1459 | — | 0 / 10 / 4 | 14 / 14 | 7 | 0 | 0 / 1 | First try · 2026-08-22 |
| E-b633c9cf2d63b092 | Ox Alpha | Rated | 5.9 | 1464 | — | 1 / 9 / 4 | 14 / 14 | 7 | 0 | 0 / 1 | First try · 2026-08-22 |
| E-d910e47dd13c2c71 | Hy3 Preview | Rated | 13.4 | 1445 | — | 0 / 54 / 6 | 60 / 60 | 30 | 0 | 0 / 1 | Repaired · 2026-07-02 |
| E-66a4f0abd099d8f1 | Inkling | Rated | 24.3 | 1485 | — | 2 / 78 / 8 | 88 / 88 | 43 | 0 | 0 / 1 | Repaired · 2026-07-24 |
| E-161b7f406eb4d549 | Inkling Small | Limited data | 15.0 | 1493 | — | 0 / 18 / 0 | 18 / 18 | 9 | 0 | 0 / 1 | First try · 2026-08-09 |
| E-88ab68f664bd3ea0 | Grok 4.5 | Rated | 27.7 | 1494 | — | 5 / 107 / 9 | 121 / 121 | 47 | 0 | 0 / 1 | First try · 2026-07-24 |
| E-39b08fe4c0318552 | MiMo-V2.5 | Rated | 19.8 | 1475 | — | 0 / 55 / 1 | 56 / 56 | 28 | 0 | 0 / 1 | First try · 2026-07-01 |
| E-b9f44937a1269e8d | MiMo-V2.5-Pro | Rated | 25.4 | 1495 | — | 5 / 58 / 7 | 70 / 70 | 35 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-4959351a96fd2b82 | GLM-5.2 | Rated | 14.9 | 1453 | — | 0 / 55 / 3 | 58 / 58 | 29 | 0 | 0 / 1 | Repaired · 2026-07-02 |
| E-925b589068dc7268 | GLM-5.2 | Rated | 22.1 | 1486 | — | 1 / 53 / 2 | 56 / 56 | 28 | 0 | 0 / 1 | Repaired · 2026-07-11 |